<form name="punchout_form" method="post" action="https://openapi-sandbox.dl.alipaydev.com/gateway.do?charset=utf-8&method=alipay.trade.page.pay&sign=19hzgvvGj8f5o8Xp723F19xu0xxE2T2FFp0%2FFEKYsi3SRpHI53QbI8QvTERrmQER0jnovSimVTP0lAQ%2FuRhL2XIhpRb3ZG5G%2FFwnTIA1g9vuIm%2FRAr9%2FbqhxRv8FZcetWSYogxe%2BE%2F6Atr4CR%2F1KGdRJSNdDNUfG2iEWOU%2FiWRsJP%2Bmd5cbCG46OXgIBPWESZ2x7hDCTqXzFQADqAKIiRyX51I2CYGOTWLELKb4RbWYt%2F4YTd6R5W5k%2F0tutf4tviYtgBSLxJ4xgpAbs6%2BZz0k7tXCx3R9H6hlN5W6bdf6czjfjrUcUCMsAlb9FneqcFfWvhLihe93nt5WMiRC5IDw%3D%3D&return_url=https%3A%2F%2Fgaga.plus&notify_url=http%3A%2F%2Fhyljava.natapp1.cc%2Fapi%2Fv1%2Falipay%2Falipay_notify_url&version=1.0&app_id=2021000149639853&sign_type=RSA2&timestamp=2025-09-20+16%3A30%3A25&alipay_sdk=alipay-sdk-java-4.38.157.ALL&format=json">
    <input type="hidden" name="biz_content" value="{&quot;out_trade_no&quot;:&quot;032597348557&quot;,&quot;total_amount&quot;:90.00,&quot;subject&quot;:&quot;测试商品&quot;,&quot;product_code&quot;:&quot;FAST_INSTANT_TRADE_PAY&quot;}">
    <input type="submit" value="立即支付" style="display:none" >
</form>
<script>document.forms[0].submit();</script>